Sand Pass Threshold Days by Year
17 fixed thresholds counted per year at Sand Pass (USC00267261): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Sand Pass Thresholds
- Sand Pass: days with a maximum temperature at or above 30 C (86 F) in 46 years, most in 1949 with 101.
- Sand Pass: days with a maximum temperature at or above 90 F (32.2 C) in 46 years, most in 1929 with 83.
- Sand Pass: nights with a minimum temperature at or below 0 C (32 F) in 46 years, most in 1959 with 188.
- Sand Pass: nights with a minimum temperature at or below -10 C (14 F) in 46 years, most in 1949 with 54.
- 17 fixed thresholds have at least one qualifying day at Sand Pass.
Days at or above 30 C (86 F)
46 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1915 | 61 | 69.4 |
| 1916 | 59 | 69.4 |
| 1917 | 68 | 69.4 |
| 1918 | 79 | 69.4 |
| 1919 | 80 | 69.4 |
| 1920 | 58 | 78.6 |
| 1921 | 78 | 78.6 |
| 1922 | 88 | 78.6 |
| 1923 | 72 | 78.6 |
| 1924 | 93 | 78.6 |
| 1925 | 58 | 78.6 |
| 1926 | 85 | 78.6 |
| 1927 | 81 | 78.6 |
| 1928 | 86 | 78.6 |
| 1929 | 87 | 78.6 |
| 1930 | 75 | 75.3 |
| 1931 | 86 | 75.3 |
| 1934 | 91 | 75.3 |
| 1935 | 39 | 75.3 |
| 1936 | 84 | 75.3 |
| 1937 | 82 | 75.3 |
| 1938 | 64 | 75.3 |
| 1939 | 81 | 75.3 |
| 1940 | 72 | 70.6 |
| 1941 | 38 | 70.6 |
| 1943 | 50 | 70.6 |
| 1944 | 42 | 70.6 |
| 1945 | 92 | 70.6 |
| 1946 | 75 | 70.6 |
| 1947 | 84 | 70.6 |
| 1948 | 81 | 70.6 |
| 1949 | 101 | 70.6 |
| 1950 | 88 | 76.6 |
| 1951 | 66 | 76.6 |
| 1953 | 63 | 76.6 |
| 1954 | 66 | 76.6 |
| 1955 | 75 | 76.6 |
| 1956 | 78 | 76.6 |
| 1957 | 84 | 76.6 |
| 1958 | 84 | 76.6 |
| 1959 | 85 | 76.6 |
| 1960 | 100 | 90.8 |
| 1961 | 86 | 90.8 |
| 1962 | 84 | 90.8 |
| 1967 | 93 | 90.8 |
| 1970 | 93 | 93 |
| Year | First date | Last date |
|---|---|---|
| 1915 | 1915-05-30 | 1915-09-30 |
| 1916 | 1916-05-03 | 1916-09-21 |
| 1917 | 1917-06-08 | 1917-08-30 |
| 1918 | 1918-06-03 | 1918-09-20 |
| 1919 | 1919-05-19 | 1919-09-25 |
| 1920 | 1920-06-19 | 1920-09-16 |
| 1921 | 1921-06-06 | 1921-10-12 |
| 1922 | 1922-05-17 | 1922-09-23 |
| 1923 | 1923-06-09 | 1923-09-15 |
| 1924 | 1924-05-08 | 1924-09-29 |
| 1925 | 1925-05-04 | 1925-09-25 |
| 1926 | 1926-04-28 | 1926-10-16 |
| 1927 | 1927-04-25 | 1927-09-20 |
| 1928 | 1928-05-07 | 1928-09-25 |
| 1929 | 1929-05-20 | 1929-10-05 |
| 1930 | 1930-06-05 | 1930-09-20 |
| 1931 | 1931-04-28 | 1931-09-14 |
| 1934 | 1934-05-10 | 1934-10-11 |
| 1935 | 1935-06-21 | 1935-09-28 |
| 1936 | 1936-05-10 | 1936-09-24 |
| 1937 | 1937-05-13 | 1937-09-18 |
| 1938 | 1938-05-25 | 1938-09-22 |
| 1939 | 1939-05-08 | 1939-09-23 |
| 1940 | 1940-05-10 | 1940-09-07 |
| 1941 | 1941-05-11 | 1941-09-05 |
| 1943 | 1943-06-27 | 1943-10-02 |
| 1944 | 1944-06-29 | 1944-09-29 |
| 1945 | 1945-04-30 | 1945-09-16 |
| 1946 | 1946-04-24 | 1946-09-25 |
| 1947 | 1947-05-01 | 1947-10-04 |
| 1948 | 1948-05-06 | 1948-09-15 |
| 1949 | 1949-04-26 | 1949-09-24 |
| 1950 | 1950-04-17 | 1950-09-06 |
| 1951 | 1951-05-25 | 1951-10-09 |
| 1953 | 1953-07-02 | 1953-10-06 |
| 1954 | 1954-05-06 | 1954-09-27 |
| 1955 | 1955-05-20 | 1955-09-14 |
| 1956 | 1956-05-20 | 1956-10-02 |
| 1957 | 1957-05-27 | 1957-09-23 |
| 1958 | 1958-05-17 | 1958-10-12 |
| 1959 | 1959-05-12 | 1959-10-24 |
| 1960 | 1960-05-09 | 1960-10-02 |
| 1961 | 1961-05-18 | 1961-10-05 |
| 1962 | 1962-06-01 | 1962-09-25 |
| 1967 | 1967-05-17 | 1967-09-30 |
| 1970 | 1970-05-16 | 1970-10-04 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 46 | 101 | 1949 | 93 |
| 35 C (95 F): Days | 45 | 50 | 1929 | 33 |
| 40 C (104 F): Days | 16 | 9 | 1931 | 2 |
| 90 F (32.2 C): Days | 46 | 83 | 1929 | 75 |
| 100 F (37.8 C): Days | 37 | 15 | 1928 | 5 |
| 0 C (32 F): Ice days (max | 41 | 30 | 1917 | 17 |
| 0 C (32 F): Frost days (min | 46 | 188 | 1959 | 148 |
| -10 C (14 F): Days with min | 46 | 54 | 1949 | 11 |
| -20 C (-4 F): Days with min | 9 | 12 | 1917 | 4 |
| -30 C (-22 F): Days with min | 2 | 3 | 1917 | 1 |
| 20 C (68 F): Tropical nights (min | 26 | 30 | 1917 | 1 |
| 25 C (77 F): Days with min | 8 | 12 | 1917 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 45 | 10 | 1940 | 8 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 15 | 2 | 1930 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 1 | 1 | 1937 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 19 | 4 | 1937 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 1 | 1 | 1956 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1915.
Download the Data
Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2025-12-31).